bales' faces a court martial at joint base lewis-mcchord near seattle. no member of the u.s. military has been executed since 1961. the united nations suspended its polio vaccination campaign in pakistan today, after two more workers were killed. six other volunteers were shot dead earlier in the week. suspicion fell on the taliban. the militant group accuses the health workers of acting as u.s. spies, and it claims the vaccine makes children sterile. senior officials at the b.b.c. were absolved today of covering up claims of sex crimes committed byong-time star jimmy savile. he died last year, and the b.b.c. later shelved an expose' that he abused and raped scores of underage girls for decades. the scandal erupted anyway, and the public broadcaster was widely criticized. today, an independent review blamed incompetence, but not bad faith. >> when the full force of the affair broke in october this year, the bbc's management system proved completely incapable of dealing with it. the level of chaos and confusion was even greater than was apparent at the time. several individual